1) retarded
缓凝水泥
1.
After laboratory experiment, the formulation system of lightweight conduct cement slurry, retarded cement and accelerated cement were optimized and corresponding measures were taken.
经室内试验，优选出低密度导浆、缓凝水泥浆和速凝水泥浆的三凝水泥浆配方体系，并采取了相应的措施，经12井次试验，未发生井漏、憋泵、管外冒油气现象。
2) well cementing
缓凝水泥浆
3) retarding
缓凝
1.
Effect of retarding plasticizers to the function of ready-mixed concrete;
缓凝型减水剂对商品混凝土性能的影响
2.
Super-retarding mortar is composed of cement, retarding admixtue and sand in appropriate ratio.
超缓凝砂浆是由水泥、复合缓凝剂和砂经适当配比而成，能在５～４０℃范围内，３０天内不凝结，而在３０天后才开始硬化，并最终达到３０ＭＰａ以上的抗压强度。
4) retardation
缓凝
1.
Lignosulfonates(LS),as of strong retardation,could improve concrete workability and reduce slump loss,yet could also be hazardous to development of earth strength.
木质素磺酸盐(简称木盐)具有较强缓凝作用,可提高混凝土工作性、减少坍落度损失,但不利于早期强度发展。
2.
There are four primary retarding mechanisms of ligonsulfonate:adsorption retardation,complexation retardation,nucleus formation inhibition retardation and deposition retardation.
木素磺酸盐是目前使用最为广泛的普通减水剂之一 ,它与水泥的适应性及缓凝机理一直是人们关注的问题。
5) retarder
缓凝
1.
Selection of retarder of alkali activated slag cement;
碱-矿渣水泥缓凝物质的选择研究
2.
Its main elements are effective water reducing agent,retarder and air entraining agent.
配制HPC掺用外加剂是最重要的途径,其主要成份是高效减水剂、缓凝剂、引气剂,合理掺用可以取得最佳技术效果,过量掺用或使用不当则会产生负面影响。
6) retarder
缓凝剂
1.
Study of Using Desulfurization Products from Flue Gas of RCFB as Cement Retarder;
回流式循环流化床锅炉烟气脱硫灰用作水泥缓凝剂的研究
2.
Investigation of cement retarder made of chemically pretreated phosphogypsum;
化学预处理磷石膏用于水泥缓凝剂的研究
3.
Itaconic acid/2-acrylamido-2-methlpropanesulfonic acid (AMPS) copolymer as an oil well cement retarder;
衣康酸/AMPS共聚物作为油井水泥缓凝剂的研究
参考词条
补充资料：水泥缓凝剂
分子式：
CAS号：
性质：一类能延缓水泥水化反应，延长水泥浆凝结时间(或稠化时间)的外加剂。主要用于深井或地温梯度高的井注水泥中。常用的缓凝剂有铁铬木质素磺酸盐(FCLS)、酒石酸、葡萄糖酸钙(钠)、硼酸盐、羧甲基羟乙基纤维素、磷酸盐和磺化单宁等。
CAS号：
性质：一类能延缓水泥水化反应，延长水泥浆凝结时间(或稠化时间)的外加剂。主要用于深井或地温梯度高的井注水泥中。常用的缓凝剂有铁铬木质素磺酸盐(FCLS)、酒石酸、葡萄糖酸钙(钠)、硼酸盐、羧甲基羟乙基纤维素、磷酸盐和磺化单宁等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。